baber/WOPTO huggingface dataset:
Patent KR-20000059342-A (KR)
Inventor: KIM JEONG HEON
IPC: B24B1/00
Filed: 1999-03-03
Abstract: PURPOSE: A method for treating surface of automobile wheel by using vibration abrasion method is provided to save work time and labor cost and further to make a high quality wheel surface having more uniform and precision quality. CONSTITUTION: A method for treating surface of automobile wheel by using vibration abrasion method comprises a step for inserting a wheel(10) into an abrasion vessel(9) containing ceramic balls, polishing agent, and water, removing oxidation film by vibrational abrasion, and making surface roughness uniform; a step for removing reaction layer formed on the surface of the wheel(10) by vibrational abrasion using the ceramic balls; and a step for inserting the wheel(10) into an abrasion vessel(9) containing steel balls, polishing agent, and water and then polishing and making the surface roughness of the wheel(10) uniform by performing vibrational abrasion. An automobile wheel made by the present method is subjected to surface treatment by means of an automatic vibration abrasion approach without manual abrasion work for polishing and is also environment friendly with uniform, high hardness, and high polish surface, because the wheel(10) is reusable and pollution materials are not discharged during manufacturing. In addition, the wheel surface treated by the method may be additionally subjected to plating treatment with a metal such as chrome, in order to obtain additional brightness and various colors and to improve surface hardness and corrosion resistance.
Patent KR-19990064563-A (KR)
Filed: 1999-04-12
Abstract: 본 발명은 3차원 동작기구에 관한 것으로써, 보다 상세하게는 상하, 좌우, 전후동작 및 점프동작이 가능한 소형 동작기구로서 특히 좁은 공간을 차지하는 운동용 또는 오락용 기구에 관한 것이다.  이를 위하여 본 발명은, 복수개의 지지각과 받침판으로 이루어지는 지지부와; 상기 복수개의 지지각에 축수단에 의해 회전가능하도록 연결되어 있는 제1판과; 일측 말단이 축수단에 의해 회전가능하도록 상기 제1판의 상부에 연결되어 있는 제2판과; 상기 상하전후 진동수단에 의해 상기 제2판의 상부에 연결된 상판;으로 구성되며, 좌우진동수단, 점핑수단 및 상하전후 진동수단으로 구성된 기구를 제공한다. 
     본 발명에 의한 3차원 동작기구는 종래의 대형 및 소형 3차원 동작기구의 단점을 해결하여 현실의 운동기구의 실제 움직임에 근접한 동작을 하며, 이용상 위험이 없고, 작은 공간에 설치할 수 있을 정도의 크기로서 이용하기 편리하고 유지관리가 용이할 뿐 아니라 제조가 용이하고 생산비용이 저렴한 고정·설치된 동작기구이다.
Patent KR-20000067619-A (KR)
Inventor: PARK YEONG HYEON
IPC: B66C13/06
Filed: 1999-04-30
Abstract: PURPOSE: A device for preventing the pendulum motion of pulled freight is provided to reduce the pendulum motion within a short time by increasing an initial slant angle of a rope and giving a large restorative force and a reducing force to horizontal vibration. CONSTITUTION: In a container crane for loading a container, first and second rope fixing units(20,21) and first and second rope holes(25,26) and a fixing stand(30) are installed. Herein, the first and second rope fixing units are formed on both ends of a main body unit(15) at a perpendicular angle with the main body unit. Further, the rope fixing units are in the opposite directions each other. The first and second rope holes are formed in the rope fixing units in the lengthwise direction of the rope fixing unit at an equal interval. The fixing stand is installed at the bottom of the main body unit to fix the main body unit on a head block.
Patent KR-19990078567-A (KR)
Title: 선박용철판과보강재의용접장치
Filed: 1999-05-19
Abstract: 선박용 철판과 보강재의 용접장치로서 호이스트(10)에의한 승강작용, 캐리지(13)에의한 전후운동, 수평회전장치(8)에 의한 좌우수평 회전운동, 마그네틱프레임(7)(7')에 의한 좌우 작동 및 텔레스코프장치(29)에 의한 좌우 신축운동을 하면서 마그네트 유니트(3)의 마그네트(9)에의한 론지(1)의 직립이동과 동시에 핏업헤드장치(42)의 회전푸싱롤러(34)로 론지(1)를 푸싱하고 좌우에서는 가이드롤러 (18)로 지지하면서 에어실린더(23)에 의해 웰딩토치유니트(40)를 이동시켜 용접하므로서 장치의 상하 좌우 이동 및 회전작동이 가능하여 짧은시간에 많은 양의 용접을 균일하고 정확하게 할 수 있는 장점이 있는 장치인 것이다.
Patent KR-20000022634-A (KR)
Inventor: YONEYAMA MASAYOSHI
IPC: B23B31/117
Filed: 1999-05-20
Abstract: PURPOSE: A two faced constrained tool is provided to prevent a color installed between a section of a flange unit in a BT(Bottom Grip Taper) sank and a section of a main shaft from being loosened or falling out and to restrict a tool from two faces for corresponding to a cutting process of a high speed. CONSTITUTION: A taper unit(15) of a BT sank(14) is inserted to a taper hole(12) of a main shaft(10) for the inner circumference of the taper hole and the section of the BT sank to attach to the section of the main shaft. Therefore, a tool is constrained from two faces. Herein, a groove unit(18) is formed on the section of a flange unit(16), and collars(20a,20b) are installed for containing convex units(22a,22b) to be hung to the groove unit between the section of the flange unit and the section of the main shaft. Therefore, the section of the flange unit is constrained to the section of the main shaft through the collars. Then, the tool keeps the high supporting stiffness even if the main shaft rotates at a high speed by being constrained by two faces.
Patent KR-19990088456-A (KR)
Title: 에폭시수지조성물및그용도
IPC: H01B3/40
Filed: 1999-05-20
Abstract: 본 발명의 에폭시수지조성물은, (A)적어도 2작용성 에폭시화합물 및/또는 적어도 2작용성 에폭시수지, (B)경화제로서 수산기의 10 내지 100%가 지방족 또는 방향족 아실기로 에스테르화된 적어도 2작용성 에스테르함유화합물 및/또는 적어도 2작용성 에스테르함유수지 및 (C)촉진제로 이루어지고, 상기 촉진제는 주로 일반식(1); 
     
       
     
     (식중, R 1 내지 R 6 은 모두 동일 또는 상이해도 되며, 수소원자, 탄소수 1 내지 10의 직쇄, 분기 또는 고리식 알킬기 또는 탄소수 6 내지 10의 아릴기 혹은 알랄킬기임)로 표시되는 포스핀옥사이드를 함유하는 것을 특징으로 한다.
Patent KR-20010001756-A (KR)
Inventor: KIM DONG MYEONG
IPC: A61Q1/10
Filed: 1999-06-08
Abstract: PURPOSE: A novel mascara composition is provided, which improves stability and sense of use by inhibiting ascent of viscosity and hardness; and does not induce irritation on skin and eyes. CONSTITUTION: A process for the preparation of mascara composition comprises: (1) mixing and dissolving distilled water, triethanolamine, isobutylene maleate, polyvinylpyrolidone, sugar ester fatty acid, polyol degenerated ester, hydroxy ethyl cellulose, copolymer of octylacrylamide/acrylate/butyl aminoethyl methacrylate, ethanol, propylene glycol by boiling at 65-75°C; (2) shaking for 10minutes at 3000rpm with a homomixer to distribute after adding black oxidized ferrous, ultramarine, silica into (1); (3) mixing and dissolving sorbitan stearate, sorbitan sesquiolate, polysorbate 60, polyglyceryl-3 methylglucose distearate, a carnauba wax, a bees wax, a paraffin, canderilla, stearic acid, polybutene, preservatives by boiling at 70-75°C, and emulsifying with a homomixer for 10-15minutes while pouring into (2) slowly; and (4) adding polyalkyl ester emulsion(50%) into (3) and emulsifying for 1-2minutes, and preserving after cooling till 30°C.
Patent KR-20010001958-A (KR)
Inventor: HONG HYEONG SIK
IPC: B24B29/00
Filed: 1999-06-10
Abstract: PURPOSE: A method of assembling a CMP(chemical mechanical polishing) carrier is provided to keep height difference of each component regular on assembling a CMP carrier. CONSTITUTION: To assemble a carrier with an apparatus for assembling a CMP carrier, the CMP carrier(300) is fixed to a cylindrical table(301). Then, a measuring unit(302) for measuring height difference is moved in an X or Y-axial direction by a moving unit(304). The measuring unit(302) is put on plural measuring positions on the upper portion of a retainer ring. Therefore, the height difference is measured exactly.
Patent KR-20010003120-A (KR)
Inventor: PARK CHAN HYEON
IPC: A47L9/28
Filed: 1999-06-21
Abstract: PURPOSE: A driver of vacuum cleaner is proposed to accomplish the instant application of high voltage by means of a power supply with pseudo capacity when voltage of the power supply must be higher than a setup value. CONSTITUTION: A driver equipped within a vacuum cleaner driven by a power supply with rechargeable battery comprises a first battery, an electric dual layer capacitor joined with the first battery in a low, a second battery connected to the rechargeable battery through a first diode and a motor driving part. When the motor driving part is started after charging the first and second batteries and, simultaneously, the capacitor, the first battery discharges to low its voltage to a certain level. After reaching the level, the second battery discharges in order to keep the driving force to a desired amount. If it is required, the electric dual layer capacitor can discharge to obtain higher driving power.
Patent KR-20010003604-A (KR)
Inventor: JUNG YU MI
IPC: C08F279/00
Filed: 1999-06-24
Abstract: PURPOSE: A process of preparing the titled resin having excellent color and plasticity by controlling the configuration of a rubbery polymer and in a graft copolymer to provide flexibility and the configuration of a monomer to be copolymerized with nitrile to improve yellowing characteristics is provided, which produces thermoplastic resins having excellent yellowness and oxygen transmissivity. CONSTITUTION: The thermoplastic resin is prepared by a process consisting of: polymerizing in such a manner that a polymerization conversion rate of a butadiene monomer becomes 5 to 20%; preparing rubbery latex by adding 10 to 40 parts by weight of a nitrile monomer to the polymerization reactant; adding an alkyl carboxylic acid ester monomer to the rubbery latex and aging; and adding a nitrile monomer to the aged product and polymerizing. The nitrile monomer is selected from acrylonitrile, methacrylonitrile and mixture thereof.
Patent KR-20010003792-A (KR)
Title: Asynchronous transfer mode router
Inventor: PARK JAE HYEONG
IPC: H04L12/28
Filed: 1999-06-25
Abstract: PURPOSE: An asynchronous transfer mode(ATM) router is provided to change ATM interface to T1, E1, 25Mbps and 155Mbps without changing software, so that ATM bandwidth is effectively used and users adaptively select the ATM interface according to network environments. CONSTITUTION: In a main board(MB), a microprocessor block(3) connects an ethernet connection block(1) and a serial connection block(2). An erasable programmable logic device(EPLD) block(5) receives necessary signals in the microprocessor block(3) to generate control signals needed for an equipment. A flash memory block(6) has a built-in basic program, device driver and protocol. A dynamic random access memory(DRAM) block(7) stores optional data. An electric erasable programmable read only memory(EEPROM) memory block(8) stores data to be memorized when power of the equipment is turned off. An ATM adaptation layer-5 segmentation and reassembly(AAL-5 SAR) block(4) converts ethernet data inputted through the ethernet connection block(1) into ATM cells. A power supply block(11) supplies power needed for a universal test and operation physical interface for ATM interface(UTOPIA) interface(9) connected between the microprocessor block(3) and a daughter board(DB), ADD/DATA interface(10) and the equipment. A front panel block(12) displays a state of the equipment. In the DB, an ATM T1/E1 physical device(PHY) block(13) performs transceiving between unshielded twist pair(UTP)-3 media for an ATM T1/E1 network, and restores received clocks. An ATM 155M PHY block(15) performs transceiving between optical fiber media for an ATM 155Mbps network, and restores received clocks.
Patent KR-20010004448-A (KR)
Inventor: KIM BYEONG DU
IPC: H03K17/687
Filed: 1999-06-29
Abstract: PURPOSE: A high-voltage output inverter is provided to reduce a chip area by removing a shield voltage generator needed for a conventional high-voltage output inverter. CONSTITUTION: A high-voltage output inverter comprises a first PMOS transistor(P3) and a first NMOS transistor(N3). One terminals of the PMOS and NMOS transistors(P3,N3) are connected to one terminals of a second PMOS transistor(P2) and a second NMOS transistor(N2), respectively. The other terminals of the PMOS and NMOS transistors(P3,N3) are connected to the gate terminals of the second PMOS transistor(P2) and the second NMOS transistor(N2), respectively. The gate terminal of the PMOS transistor(P3) is connected to a high input signal(INH), and the gate terminal of the NMOS transistor(N3) is connected to a low input signal(INL).
Patent KR-20010009531-A (KR)
Inventor: WOO JAE SU
IPC: B68G1/00
Filed: 1999-07-07
Abstract: PURPOSE: Provided is a pillar packing material using dried medical herbs and phyllite that irradiates far infrared rays and emits aroma. CONSTITUTION: The pillar packing material comprises 80 wt.% of P.E, 10 wt.% of dried medical herbs containing Astragali Radis, Korean angelica Radix, cnidium officinale, glycyrrhizae Radix, Asarum sieboldii MIQ., insam, chrysanthemum, pine needle, mugwort, Raeoniae Radix, and is prepared by mixing them followed by extruding them at 250deg.C. And then, cutting them.
Patent KR-20010009685-A (KR)
Inventor: YOO MIN SEON
IPC: H01J11/44
Filed: 1999-07-13
Abstract: PURPOSE: A device for reducing the emission of infrared rays in a display is provided to effectively reduce the infrared rays by arranging a simple and cheap apparatus as a filter in front of the display. CONSTITUTION: A reducing device of infrared emission(10) is arranged in front of a display(12). The reducing device is comprised by injecting water(13) in a container(11) of transparent substrate. In operating a PDP(Plasma Display Panel), many infrared rays are emitted from the inside of the PDP. Visual rays are emitted by exciting a fluorescent member by ultraviolet rays. The visual/infrared rays are reached the reducing device(10) via a front glass of the PDP. The visual/infrared ray is passed through a rear face(11a) of the container(11). The infrared ray is blocked by absorbing into the water. Thereby, the infrared rays of the display are effectively blocked.
Patent KR-20010009690-A (KR)
Inventor: JANG DEOK HWAN
IPC: G11B17/02
Filed: 1999-07-13
Abstract: PURPOSE: An actuator supporting bearing for a hard disk drive is provided to simplify a structure by reducing components. CONSTITUTION: A pillared internal race(23) is installed internal a housing. An external race(25) is installed in an outside of the internal race to be rotatable. The external race(25) supports an actuator arm(22). Plural balls(27) are arranged between the internal/external races to form first/second rows. A pair of actuating members is installed in a circumference of the internal race to be slid upward and downward. The actuating members have a curved face having a variable outer diameter to contact and support the ball of each row. A compressing spring compresses each actuating member toward the ball of each row elastically. A combining member combines the internal race with the housing.
Patent KR-20000011778-A (KR)
Inventor: YAMAJAKI HIROSI
IPC: F21V8/00
Filed: 1999-07-16
Abstract: PURPOSE: A sidelight type sheet light source device is provided to prevent a drop of a light quality using an improved light receiving plate. CONSTITUTION: The sidelight type sheet light source device comprises: a light source; a light receiving plate(12) for inputting a light supply from the light source, wherein the light receiving plate(12) has an output plane(12C) for a light output, a double-side(12B), and an incident plane(12A); and a sheet member(14) disposed along the output plane, wherein the output plane(12C) has a plurality of protrusion strings(24) which are sequentially arranged so as to be intersected with regard to the incident plane to prevent an adhesive and a damage with regard to the output plane; and wherein a height of each protrusion string(24) is in a range of 1 micrometer to 10 micrometer.
Patent KR-20000016958-A (KR)
Inventor: LEE CHENSHUNG
IPC: G01M13/04
Filed: 1999-07-20
Abstract: PURPOSE: Method of measuring the fly-height of bearing is provided to detect the shortness of oil in a hydrodynamic fluid bearing motor. CONSTITUTION: The method comprising the step of deciding the range of fly-height of fluid bearing in a motor in which the hydrodynamic fluid bearing has enough oil and in which the bearing has not enough oil. Next, the range of fly-height of bearing in a specific hydrodynamic fluid bearing motor can be measured and compared with the primarily measured range of fly-height of the either case. The decision of the range of fly-height of bearing in a specific motor include the use of noncontact type displacement probe generating the first signal showing the displacement of rotating element of bearing when the rotating element at its maximum fly-height. The probe generate the second signal showing the displacement of the rotating element when the fly-height of the rotating element is stopped. The difference of the first and second signal represent the fly-height of hydrodynamic fluid bearing of the specific motor.
Patent KR-20010017386-A (KR)
Inventor: NOH HYEONG MUN
IPC: H04B1/40
Filed: 1999-08-11
Abstract: PURPOSE: A method for controlling a call standby state of a portable wireless phone is provided to identify and display a caller on standby and achieve call connection with the caller on standby. CONSTITUTION: A control unit(10) controls the overall operation of a portable wireless phone and carries out the control of call standby operations. A memory(40) storing a control program for a call standby function is comprised of a flash memory, a RAM and an EEPROM. A key input unit(70) provided with a plurality of numeric keys and function keys outputs intrinsic key data according to the input of each key. In addition, the key input unit(70) comprises a confirmation key to cover the confirmation request of a caller ID in a call standby state. A display unit(30) displays display data for key data generated from the key input unit(70). A display unit(30) displays the caller ID in the call standby state. A wireless unit(20) is composed of a duplexer, a receiving part and a transmitting part. The duplexer separates radio signals transmitted and received through an antenna(ANT). The receiving part demodulates radio signals received through the antenna(ANT) into baseband signals and outputs the signals through signal processing. The transmitting part modulates the signal processed and outputted signals into the radio signals. A beep generation unit(50) carries out the generation of beep sound if the call standby state by call destination is made.
Patent KR-20010019110-A (KR)
Inventor: RA HO CHAN
IPC: B23K9/32
Filed: 1999-08-25
Abstract: PURPOSE: A method for effectively correcting deformation through heating of back surface is provided to effectively correct a deformation formed by a contraction difference between a front surface and a back surface after welding when a main plate and an inner frame are subjected to a T-joint welding during built up of a ship. CONSTITUTION: A method for effectively correcting deformation through heating of back surface is characterized in that distal ends of welding beads(5) at both sides of an inner frame(1) are simultaneously heated from a back surface of a welding main plate(2) by two flames(6) discharged from an inventive torch(4) in which two heads are bent and extended from the single torch.
Patent KR-20010019651-A (KR)
Inventor: PARK EUN SUK
IPC: A23L13/00
Filed: 1999-08-28
Abstract: PURPOSE: A method for manufacturing thick beef soup using whole bones of a cow is provided to mass-cook sanitary, tasteful and nutritious thick beef soup by soaking 2-3 times all bones of a cow in water for over 24hours and reheating the soup before serving. CONSTITUTION: Flesh is removed from the whole bones of a cow and soaking the bones in water for 24hours to remove blood. The bones are soaked in clear water and boiled for over 24hours and separated from the boiled water to get a first undiluted solution. The separated bones are soaked in another clear water and boiled for over 24hours to get a second undiluted solution. The bones are soaked in another clear water and boiled for over 24hours again to get a third undiluted solution. All collected undiluted solutions are mixed and boiled for over 24hours to get thick beef soup. The soup is reheated before serving. The water amount for boiling the bones is 1.5-10 times of the bone weight and the amount of the undiluted solution is desirably 0.5-5 times of the bone weight.
Patent KR-20000062124-A (KR)
Title: 전표처리방법 및 시스템
IPC: G06V30/224
Filed: 1999-08-31
Abstract: 본 발명은 화상판독장치가 전표를 판독하는 발명에 관한 것이다. 본 발명에 의하면, 창구단말은 미리 파일에 격납된 전표종류식별용 정의정보를 이용하여 판독된 화상이 제 1종류의 전표에 해당하는 지의 여부를 식별한다. 
     판독된 화상이 제 1 종류의 전표에 해당하는 경우, 창구단말은 상기 제 1종류의 전표의 고유한 포맷에 대응하는 영역에서 화상을 절취해 내고, 그 절취한 화상으로 기재내용을 확인하여 인식결과에 따른 처리를 실시한다. 
     판독된 화상이 제 1종류의 전표에 해당하지 않는 경우에는, 창구단말은 상기 정의정보를 이용하여 판독된 화상이 제 2종류의 전표에 해당하는 지의 여부를 식별한다. 
     제 2종류의 전표에 해당하는 경우, 창구단말은 상기 제 2종류의 전표의 고유한 포맷에 대응하는 영역에서 화상을 절취해 내고, 그 절취한 화상으로 기재내용을 인식한다.
Patent KR-20010020039-A (KR)
Inventor: NA MAN HO
IPC: G03B21/602
Filed: 1999-08-31
Abstract: PURPOSE: A screen of a device for projection display is provided to widen a view angle of the screen by removing stepped parts to be formed with light absorbing layers and positioning a focus inside a lenticular lens by enlarging a curvature of cylindrical lenses formed on a light incident surface of the lenticular lens. CONSTITUTION: A screen of a device for projection display includes a lenticular lens(32) for diffusing incident light beams from a Fresnel lens in a horizontal direction, wherein cylindrical lenses(32a) are formed with a large curvature on a light incident surface of the lenticular lens for forming an optical focus in the lenticular lens, cylindrical lenses(32b) are formed on a light emitting surface of the lenticular lens, and flat surfaces are formed between the cylindrical lenses on the light emitting surface with light absorbing layer(32c) for absorbing external light.
Patent KR-20010026602-A (KR)
Inventor: KIM JAE HO
IPC: E01F9/06
Filed: 1999-09-07
Abstract: PURPOSE: A road stud is provided to enlarge buffer effects and durability, and to prevent the damage of a road. CONSTITUTION: A road stud comprising a main body(10), a reflector(20) attached to the main body, and an anchor(30) attached to the lower part of the body consists of the steps of forming inclines(11,12) having insertion holes(13,14) on the front and rear sides of the main body formed with synthetic resins, forming many stiffening ribs(15) on a lower side, and an anchor inserting hole(16) on a central part, attaching the reflector, having the maximum reflexibility at about 30-36 degrees to the insertion holes of the main body, filling contents(40) composed of epoxy resins, stone dust and a hardener into the space between the rib of the main body and the reflector, and covering the lower end of the contents with sand(50).
Patent KR-19990084031-A (KR)
Title: 낚시용 양 베어링형 릴의 사이드카바 착탈구조
IPC: A01K89/015
Filed: 1999-09-02
Abstract: 본 발명은 낚시용 양 베어링형 릴의 사이드카바 착탈구조에 관한 것으로, 공구를 사용치 않고 손으로 착탈이 가능하여 부품의 교체나 조작 등을 용이하고 신속하게 할 수 있는 특징이 있다. 이를 위하여 본 발명은, 분해를 위한 멈춤홈 2a와 조립을 위한 다수의 멈춤홈 2b가 구멍 2e의 안쪽에 형성되고, 상기 멈춤홈 2a와 멈춤홈 2b에 연하는 벽 2c가 형성된 사이드카바와; 상기 사이드카바의 내측부에 조립되며, 원주상 3방향으로는 쐐기형의 캠돌기 6a가 형성되고 하기의 스토퍼가 장치될 수 있는 구멍 6e가 일측으로 형성되며, 상기 구멍 6e에 조립되는 스토퍼와의 사이에 조립되는 스토퍼스프링 9가 끼이는 홈 6b가 형성되고 나사조립을 위한 다수의 구멍 6c, 6f들이 형성된 스풀카바와; 상기 사이드카바의 외측부에 조립되면서 상기 스풀카바와 나사를 통해 조립되며, 하기의 스토퍼가 삽입되는 구멍 4b와 나사들이 관통하는 구멍 4d들이 형성되고, 중앙에는 장방형의 돌기 4a 가 형성되고 외측 원주상에는 멈춤돌기 4c가 형성된 레바와; 상기 스풀카바의 구멍 6e에 저면이 조립되고 그 상측은 상기 레바의 구멍 4b에 삽입된 채 슬라이딩될 수 있으며 경사면 8b와 연하는 걸림턱 8a가 형성된 스토퍼와; 상기 레바의 외측부에 조립되며, 상기 레바의 돌기 4a가 관통되는 장공 3a가 형성되고, 누름판스프링 7들이 외부로 조립되면서 상기 레바와의 조립을 위한 나사 5 들이 조립될 수 있는 나사구멍이 안쪽으로 형성된 다수의 돌출관 3c 들과, 스토퍼의 경사면 8b를 눌러주는 누름돌기 3d가 형성된 누름판으로 구성됨을 특징으로 한다.
Patent KR-20010027844-A (KR)
Inventor: SEO GYEONG MIN
IPC: H01L23/495
Filed: 1999-09-16
Abstract: PURPOSE: A lead frame is provided to reduce an area of the lead frame exposed to the exterior of a package body, by forming a protruding part in the lead frame so that only an end portion of the protruding part is exposed to the exterior of the package body. CONSTITUTION: A die pad has an upper surface on which a semiconductor chip is mounted and a lower surface. A plurality of tie bars(220) are formed as one body with the die pad, radially extended from the die pad. A plurality of leads are radially extended from the die pad, separated from the die pad. A lead frame(200) includes a protruding part(260) of a predetermined height on a peripheral portion of the lower surface of the die pad.